
Castle Game Engine
Cyberix3D
Open 3D Engine
Unity
Unreal Engine
Godot Engine
PlayCanvas
WaveEngine
SourceForge
GitHub
GitLab
BitBucket
openDesktop.org
Gitea
Launchpad.net
OSOR
Castle Game Engine
SourceForgeCyberix3D - Free online 3D Game Maker. Make your own 3D games online!
GitHub - Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
Open 3D Engine - Open 3D Engine is an open-source 3D game development engine in real-time.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Unity - The multiplatform game creation tools for everyone.
BitBucket - Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.